1900981005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{44483}}^1$

素因数の和:44546

約数の個数: 64

約数和(自身を含む): 3894663168

約数和(自身を除く): 1993682163

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 37, 55, 77, 105, 111, 165, 185, 231, 259, 385, 407, 555, 777, 1155, 1221, 1295, 2035, 2849, 3885, 6105, 8547, 14245, 42735, 44483, 133449, 222415, 311381, 489313, 667245, 934143, 1467939, 1556905, 1645871, 2446565, 3425191, 4670715, 4937613, 7339695, 8229355, 10275573, 11521097, 17125955, 18104581, 24688065, 34563291, 51377865, 54313743, 57605485, 90522905, 126732067, 172816455, 271568715, 380196201, 633660335, 1900981005]

約数ペア:

[(1, 1900981005), (3, 633660335), (5, 380196201), (7, 271568715), (11, 172816455), (15, 126732067), (21, 90522905), (33, 57605485), (35, 54313743), (37, 51377865), (55, 34563291), (77, 24688065), (105, 18104581), (111, 17125955), (165, 11521097), (185, 10275573), (231, 8229355), (259, 7339695), (385, 4937613), (407, 4670715), (555, 3425191), (777, 2446565), (1155, 1645871), (1221, 1556905), (1295, 1467939), (2035, 934143), (2849, 667245), (3885, 489313), (6105, 311381), (8547, 222415), (14245, 133449), (42735, 44483)]