15857142

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{277}}^1$

素因数の和:365

約数の個数: 64

約数和(自身を含む): 38430720

約数和(自身を除く): 22573578

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 47, 58, 87, 94, 141, 174, 203, 277, 282, 329, 406, 554, 609, 658, 831, 987, 1218, 1363, 1662, 1939, 1974, 2726, 3878, 4089, 5817, 8033, 8178, 9541, 11634, 13019, 16066, 19082, 24099, 26038, 28623, 39057, 48198, 56231, 57246, 78114, 91133, 112462, 168693, 182266, 273399, 337386, 377551, 546798, 755102, 1132653, 2265306, 2642857, 5285714, 7928571, 15857142]

約数ペア:

[(1, 15857142), (2, 7928571), (3, 5285714), (6, 2642857), (7, 2265306), (14, 1132653), (21, 755102), (29, 546798), (42, 377551), (47, 337386), (58, 273399), (87, 182266), (94, 168693), (141, 112462), (174, 91133), (203, 78114), (277, 57246), (282, 56231), (329, 48198), (406, 39057), (554, 28623), (609, 26038), (658, 24099), (831, 19082), (987, 16066), (1218, 13019), (1363, 11634), (1662, 9541), (1939, 8178), (1974, 8033), (2726, 5817), (3878, 4089)]