16364775

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 32427984

約数和(自身を除く): 16063209

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 61, 73, 75, 105, 147, 175, 183, 219, 245, 305, 365, 427, 511, 525, 735, 915, 1095, 1225, 1281, 1525, 1533, 1825, 2135, 2555, 2989, 3577, 3675, 4453, 4575, 5475, 6405, 7665, 8967, 10675, 10731, 12775, 13359, 14945, 17885, 22265, 31171, 32025, 38325, 44835, 53655, 66795, 74725, 89425, 93513, 111325, 155855, 218197, 224175, 268275, 333975, 467565, 654591, 779275, 1090985, 2337825, 3272955, 5454925, 16364775]

約数ペア:

[(1, 16364775), (3, 5454925), (5, 3272955), (7, 2337825), (15, 1090985), (21, 779275), (25, 654591), (35, 467565), (49, 333975), (61, 268275), (73, 224175), (75, 218197), (105, 155855), (147, 111325), (175, 93513), (183, 89425), (219, 74725), (245, 66795), (305, 53655), (365, 44835), (427, 38325), (511, 32025), (525, 31171), (735, 22265), (915, 17885), (1095, 14945), (1225, 13359), (1281, 12775), (1525, 10731), (1533, 10675), (1825, 8967), (2135, 7665), (2555, 6405), (2989, 5475), (3577, 4575), (3675, 4453)]