15116745

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 28531008

約数和(自身を除く): 13414263

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 131, 147, 157, 245, 393, 471, 655, 735, 785, 917, 1099, 1965, 2355, 2751, 3297, 4585, 5495, 6419, 7693, 13755, 16485, 19257, 20567, 23079, 32095, 38465, 61701, 96285, 102835, 115395, 143969, 308505, 431907, 719845, 1007783, 2159535, 3023349, 5038915, 15116745]

約数ペア:

[(1, 15116745), (3, 5038915), (5, 3023349), (7, 2159535), (15, 1007783), (21, 719845), (35, 431907), (49, 308505), (105, 143969), (131, 115395), (147, 102835), (157, 96285), (245, 61701), (393, 38465), (471, 32095), (655, 23079), (735, 20567), (785, 19257), (917, 16485), (1099, 13755), (1965, 7693), (2355, 6419), (2751, 5495), (3297, 4585)]