3897120969

素因数分解:

$3^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{317}}^1\times {\mathrm{457}}^1$

素因数の和:855

約数の個数: 72

約数和(自身を含む): 6691176648

約数和(自身を除く): 2794055679

約数列:

[1, 3, 7, 9, 21, 49, 61, 63, 147, 183, 317, 427, 441, 457, 549, 951, 1281, 1371, 2219, 2853, 2989, 3199, 3843, 4113, 6657, 8967, 9597, 15533, 19337, 19971, 22393, 26901, 27877, 28791, 46599, 58011, 67179, 83631, 135359, 139797, 144869, 174033, 195139, 201537, 250893, 406077, 434607, 585417, 947513, 1014083, 1218231, 1303821, 1365973, 1756251, 2842539, 3042249, 4097919, 7098581, 8527617, 8837009, 9126747, 12293757, 21295743, 26511027, 61859063, 63887229, 79533081, 185577189, 433013441, 556731567, 1299040323, 3897120969]

約数ペア:

[(1, 3897120969), (3, 1299040323), (7, 556731567), (9, 433013441), (21, 185577189), (49, 79533081), (61, 63887229), (63, 61859063), (147, 26511027), (183, 21295743), (317, 12293757), (427, 9126747), (441, 8837009), (457, 8527617), (549, 7098581), (951, 4097919), (1281, 3042249), (1371, 2842539), (2219, 1756251), (2853, 1365973), (2989, 1303821), (3199, 1218231), (3843, 1014083), (4113, 947513), (6657, 585417), (8967, 434607), (9597, 406077), (15533, 250893), (19337, 201537), (19971, 195139), (22393, 174033), (26901, 144869), (27877, 139797), (28791, 135359), (46599, 83631), (58011, 67179)]