253842015

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{293}}^1$

素因数の和:568

約数の個数: 64

約数和(自身を含む): 480485376

約数和(自身を除く): 226643361

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 105, 111, 185, 223, 259, 293, 555, 669, 777, 879, 1115, 1295, 1465, 1561, 2051, 3345, 3885, 4395, 4683, 6153, 7805, 8251, 10255, 10841, 23415, 24753, 30765, 32523, 41255, 54205, 57757, 65339, 75887, 123765, 162615, 173271, 196017, 227661, 288785, 326695, 379435, 457373, 866355, 980085, 1138305, 1372119, 2286865, 2417543, 6860595, 7252629, 12087715, 16922801, 36263145, 50768403, 84614005, 253842015]

約数ペア:

[(1, 253842015), (3, 84614005), (5, 50768403), (7, 36263145), (15, 16922801), (21, 12087715), (35, 7252629), (37, 6860595), (105, 2417543), (111, 2286865), (185, 1372119), (223, 1138305), (259, 980085), (293, 866355), (555, 457373), (669, 379435), (777, 326695), (879, 288785), (1115, 227661), (1295, 196017), (1465, 173271), (1561, 162615), (2051, 123765), (3345, 75887), (3885, 65339), (4395, 57757), (4683, 54205), (6153, 41255), (7805, 32523), (8251, 30765), (10255, 24753), (10841, 23415)]