252171885

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{2131}}^1$

素因数の和:2183

約数の個数: 64

約数和(自身を含む): 491212800

約数和(自身を除く): 239040915

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 49, 69, 105, 115, 147, 161, 245, 343, 345, 483, 735, 805, 1029, 1127, 1715, 2131, 2415, 3381, 5145, 5635, 6393, 7889, 10655, 14917, 16905, 23667, 31965, 39445, 44751, 49013, 74585, 104419, 118335, 147039, 223755, 245065, 313257, 343091, 522095, 730933, 735195, 1029273, 1566285, 1715455, 2192799, 2401637, 3654665, 5146365, 7204911, 10963995, 12008185, 16811459, 36024555, 50434377, 84057295, 252171885]

約数ペア:

[(1, 252171885), (3, 84057295), (5, 50434377), (7, 36024555), (15, 16811459), (21, 12008185), (23, 10963995), (35, 7204911), (49, 5146365), (69, 3654665), (105, 2401637), (115, 2192799), (147, 1715455), (161, 1566285), (245, 1029273), (343, 735195), (345, 730933), (483, 522095), (735, 343091), (805, 313257), (1029, 245065), (1127, 223755), (1715, 147039), (2131, 118335), (2415, 104419), (3381, 74585), (5145, 49013), (5635, 44751), (6393, 39445), (7889, 31965), (10655, 23667), (14917, 16905)]