142725975

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{547}}^1$

素因数の和:645

約数の個数: 72

約数和(自身を含む): 278875008

約数和(自身を除く): 136149033

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 71, 75, 105, 147, 175, 213, 245, 355, 497, 525, 547, 735, 1065, 1225, 1491, 1641, 1775, 2485, 2735, 3479, 3675, 3829, 5325, 7455, 8205, 10437, 11487, 12425, 13675, 17395, 19145, 26803, 37275, 38837, 41025, 52185, 57435, 80409, 86975, 95725, 116511, 134015, 194185, 260925, 271859, 287175, 402045, 582555, 670075, 815577, 970925, 1359295, 1903013, 2010225, 2912775, 4077885, 5709039, 6796475, 9515065, 20389425, 28545195, 47575325, 142725975]

約数ペア:

[(1, 142725975), (3, 47575325), (5, 28545195), (7, 20389425), (15, 9515065), (21, 6796475), (25, 5709039), (35, 4077885), (49, 2912775), (71, 2010225), (75, 1903013), (105, 1359295), (147, 970925), (175, 815577), (213, 670075), (245, 582555), (355, 402045), (497, 287175), (525, 271859), (547, 260925), (735, 194185), (1065, 134015), (1225, 116511), (1491, 95725), (1641, 86975), (1775, 80409), (2485, 57435), (2735, 52185), (3479, 41025), (3675, 38837), (3829, 37275), (5325, 26803), (7455, 19145), (8205, 17395), (10437, 13675), (11487, 12425)]