427208775

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:321

約数の個数: 96

約数和(自身を含む): 835089408

約数和(自身を除く): 407880633

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 71, 73, 75, 105, 157, 175, 213, 219, 355, 365, 471, 497, 511, 525, 785, 1065, 1095, 1099, 1491, 1533, 1775, 1825, 2355, 2485, 2555, 3297, 3925, 5183, 5325, 5475, 5495, 7455, 7665, 11147, 11461, 11775, 12425, 12775, 15549, 16485, 25915, 27475, 33441, 34383, 36281, 37275, 38325, 55735, 57305, 77745, 78029, 80227, 82425, 108843, 129575, 167205, 171915, 181405, 234087, 240681, 278675, 286525, 388725, 390145, 401135, 544215, 813731, 836025, 859575, 907025, 1170435, 1203405, 1950725, 2005675, 2441193, 2721075, 4068655, 5696117, 5852175, 6017025, 12205965, 17088351, 20343275, 28480585, 61029825, 85441755, 142402925, 427208775]

約数ペア:

[(1, 427208775), (3, 142402925), (5, 85441755), (7, 61029825), (15, 28480585), (21, 20343275), (25, 17088351), (35, 12205965), (71, 6017025), (73, 5852175), (75, 5696117), (105, 4068655), (157, 2721075), (175, 2441193), (213, 2005675), (219, 1950725), (355, 1203405), (365, 1170435), (471, 907025), (497, 859575), (511, 836025), (525, 813731), (785, 544215), (1065, 401135), (1095, 390145), (1099, 388725), (1491, 286525), (1533, 278675), (1775, 240681), (1825, 234087), (2355, 181405), (2485, 171915), (2555, 167205), (3297, 129575), (3925, 108843), (5183, 82425), (5325, 80227), (5475, 78029), (5495, 77745), (7455, 57305), (7665, 55735), (11147, 38325), (11461, 37275), (11775, 36281), (12425, 34383), (12775, 33441), (15549, 27475), (16485, 25915)]