219715671075

素因数分解:

$3^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{197}}^1\times {\mathrm{307}}^1\times {\mathrm{821}}^1$

素因数の和:1397

約数の個数: 96

約数和(自身を含む): 372958629120

約数和(自身を除く): 153242958045

約数列:

[1, 3, 5, 15, 25, 59, 75, 177, 197, 295, 307, 591, 821, 885, 921, 985, 1475, 1535, 2463, 2955, 4105, 4425, 4605, 4925, 7675, 11623, 12315, 14775, 18113, 20525, 23025, 34869, 48439, 54339, 58115, 60479, 61575, 90565, 145317, 161737, 174345, 181437, 242195, 252047, 271695, 290575, 302395, 452825, 485211, 726585, 756141, 808685, 871725, 907185, 1210975, 1260235, 1358475, 1511975, 2426055, 3568261, 3632925, 3780705, 4043425, 4535925, 6301175, 9542483, 10704783, 12130275, 14870773, 17841305, 18903525, 28627449, 44612319, 47712415, 49653259, 53523915, 74353865, 89206525, 143137245, 148959777, 223061595, 238562075, 248266295, 267619575, 371769325, 715686225, 744798885, 1115307975, 1241331475, 2929542281, 3723994425, 8788626843, 14647711405, 43943134215, 73238557025, 219715671075]

約数ペア:

[(1, 219715671075), (3, 73238557025), (5, 43943134215), (15, 14647711405), (25, 8788626843), (59, 3723994425), (75, 2929542281), (177, 1241331475), (197, 1115307975), (295, 744798885), (307, 715686225), (591, 371769325), (821, 267619575), (885, 248266295), (921, 238562075), (985, 223061595), (1475, 148959777), (1535, 143137245), (2463, 89206525), (2955, 74353865), (4105, 53523915), (4425, 49653259), (4605, 47712415), (4925, 44612319), (7675, 28627449), (11623, 18903525), (12315, 17841305), (14775, 14870773), (18113, 12130275), (20525, 10704783), (23025, 9542483), (34869, 6301175), (48439, 4535925), (54339, 4043425), (58115, 3780705), (60479, 3632925), (61575, 3568261), (90565, 2426055), (145317, 1511975), (161737, 1358475), (174345, 1260235), (181437, 1210975), (242195, 907185), (252047, 871725), (271695, 808685), (290575, 756141), (302395, 726585), (452825, 485211)]