72897825

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{971}}^1$

素因数の和:1015

約数の個数: 96

約数和(自身を含む): 161989632

約数和(自身を除く): 89091807

約数列:

[1, 3, 5, 7, 11, 13, 15, 21, 25, 33, 35, 39, 55, 65, 75, 77, 91, 105, 143, 165, 175, 195, 231, 273, 275, 325, 385, 429, 455, 525, 715, 825, 971, 975, 1001, 1155, 1365, 1925, 2145, 2275, 2913, 3003, 3575, 4855, 5005, 5775, 6797, 6825, 10681, 10725, 12623, 14565, 15015, 20391, 24275, 25025, 32043, 33985, 37869, 53405, 63115, 72825, 74767, 75075, 88361, 101955, 138853, 160215, 169925, 189345, 224301, 265083, 267025, 315575, 373835, 416559, 441805, 509775, 694265, 801075, 946725, 971971, 1121505, 1325415, 1869175, 2082795, 2209025, 2915913, 3471325, 4859855, 5607525, 6627075, 10413975, 14579565, 24299275, 72897825]

約数ペア:

[(1, 72897825), (3, 24299275), (5, 14579565), (7, 10413975), (11, 6627075), (13, 5607525), (15, 4859855), (21, 3471325), (25, 2915913), (33, 2209025), (35, 2082795), (39, 1869175), (55, 1325415), (65, 1121505), (75, 971971), (77, 946725), (91, 801075), (105, 694265), (143, 509775), (165, 441805), (175, 416559), (195, 373835), (231, 315575), (273, 267025), (275, 265083), (325, 224301), (385, 189345), (429, 169925), (455, 160215), (525, 138853), (715, 101955), (825, 88361), (971, 75075), (975, 74767), (1001, 72825), (1155, 63115), (1365, 53405), (1925, 37869), (2145, 33985), (2275, 32043), (2913, 25025), (3003, 24275), (3575, 20391), (4855, 15015), (5005, 14565), (5775, 12623), (6797, 10725), (6825, 10681)]