71898687

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{353}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 123259968

約数和(自身を除く): 51361281

約数列:

[1, 3, 7, 9, 21, 53, 61, 63, 159, 183, 353, 371, 427, 477, 549, 1059, 1113, 1281, 2471, 3177, 3233, 3339, 3843, 7413, 9699, 18709, 21533, 22239, 22631, 29097, 56127, 64599, 67893, 130963, 150731, 168381, 193797, 203679, 392889, 452193, 1141249, 1178667, 1356579, 3423747, 7988743, 10271241, 23966229, 71898687]

約数ペア:

[(1, 71898687), (3, 23966229), (7, 10271241), (9, 7988743), (21, 3423747), (53, 1356579), (61, 1178667), (63, 1141249), (159, 452193), (183, 392889), (353, 203679), (371, 193797), (427, 168381), (477, 150731), (549, 130963), (1059, 67893), (1113, 64599), (1281, 56127), (2471, 29097), (3177, 22631), (3233, 22239), (3339, 21533), (3843, 18709), (7413, 9699)]