202130271

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{353}}^1$

素因数の和:576

約数の個数: 48

約数和(自身を含む): 342388800

約数和(自身を除く): 140258529

約数列:

[1, 3, 7, 9, 21, 61, 63, 149, 183, 353, 427, 447, 549, 1043, 1059, 1281, 1341, 2471, 3129, 3177, 3843, 7413, 9089, 9387, 21533, 22239, 27267, 52597, 63623, 64599, 81801, 150731, 157791, 190869, 193797, 368179, 452193, 473373, 572607, 1104537, 1356579, 3208417, 3313611, 9625251, 22458919, 28875753, 67376757, 202130271]

約数ペア:

[(1, 202130271), (3, 67376757), (7, 28875753), (9, 22458919), (21, 9625251), (61, 3313611), (63, 3208417), (149, 1356579), (183, 1104537), (353, 572607), (427, 473373), (447, 452193), (549, 368179), (1043, 193797), (1059, 190869), (1281, 157791), (1341, 150731), (2471, 81801), (3129, 64599), (3177, 63623), (3843, 52597), (7413, 27267), (9089, 22239), (9387, 21533)]