42992985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 81838080

約数和(自身を除く): 38845095

約数列:

[1, 3, 5, 7, 15, 21, 35, 71, 73, 79, 105, 213, 219, 237, 355, 365, 395, 497, 511, 553, 1065, 1095, 1185, 1491, 1533, 1659, 2485, 2555, 2765, 5183, 5609, 5767, 7455, 7665, 8295, 15549, 16827, 17301, 25915, 28045, 28835, 36281, 39263, 40369, 77745, 84135, 86505, 108843, 117789, 121107, 181405, 196315, 201845, 409457, 544215, 588945, 605535, 1228371, 2047285, 2866199, 6141855, 8598597, 14330995, 42992985]

約数ペア:

[(1, 42992985), (3, 14330995), (5, 8598597), (7, 6141855), (15, 2866199), (21, 2047285), (35, 1228371), (71, 605535), (73, 588945), (79, 544215), (105, 409457), (213, 201845), (219, 196315), (237, 181405), (355, 121107), (365, 117789), (395, 108843), (497, 86505), (511, 84135), (553, 77745), (1065, 40369), (1095, 39263), (1185, 36281), (1491, 28835), (1533, 28045), (1659, 25915), (2485, 17301), (2555, 16827), (2765, 15549), (5183, 8295), (5609, 7665), (5767, 7455)]