12785325

素因数分解:

$3^1\times 5^2\times 7^4\times {\mathrm{71}}^1$

素因数の和:112

約数の個数: 60

約数和(自身を含む): 25007328

約数和(自身を除く): 12222003

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 71, 75, 105, 147, 175, 213, 245, 343, 355, 497, 525, 735, 1029, 1065, 1225, 1491, 1715, 1775, 2401, 2485, 3479, 3675, 5145, 5325, 7203, 7455, 8575, 10437, 12005, 12425, 17395, 24353, 25725, 36015, 37275, 52185, 60025, 73059, 86975, 121765, 170471, 180075, 260925, 365295, 511413, 608825, 852355, 1826475, 2557065, 4261775, 12785325]

約数ペア:

[(1, 12785325), (3, 4261775), (5, 2557065), (7, 1826475), (15, 852355), (21, 608825), (25, 511413), (35, 365295), (49, 260925), (71, 180075), (75, 170471), (105, 121765), (147, 86975), (175, 73059), (213, 60025), (245, 52185), (343, 37275), (355, 36015), (497, 25725), (525, 24353), (735, 17395), (1029, 12425), (1065, 12005), (1225, 10437), (1491, 8575), (1715, 7455), (1775, 7203), (2401, 5325), (2485, 5145), (3479, 3675)]