28127505

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{613}}^1$

素因数の和:670

約数の個数: 64

約数和(自身を含む): 56586240

約数和(自身を除く): 28458735

約数列:

[1, 3, 5, 7, 15, 19, 21, 23, 35, 57, 69, 95, 105, 115, 133, 161, 285, 345, 399, 437, 483, 613, 665, 805, 1311, 1839, 1995, 2185, 2415, 3059, 3065, 4291, 6555, 9177, 9195, 11647, 12873, 14099, 15295, 21455, 34941, 42297, 45885, 58235, 64365, 70495, 81529, 98693, 174705, 211485, 244587, 267881, 296079, 407645, 493465, 803643, 1222935, 1339405, 1480395, 1875167, 4018215, 5625501, 9375835, 28127505]

約数ペア:

[(1, 28127505), (3, 9375835), (5, 5625501), (7, 4018215), (15, 1875167), (19, 1480395), (21, 1339405), (23, 1222935), (35, 803643), (57, 493465), (69, 407645), (95, 296079), (105, 267881), (115, 244587), (133, 211485), (161, 174705), (285, 98693), (345, 81529), (399, 70495), (437, 64365), (483, 58235), (613, 45885), (665, 42297), (805, 34941), (1311, 21455), (1839, 15295), (1995, 14099), (2185, 12873), (2415, 11647), (3059, 9195), (3065, 9177), (4291, 6555)]