198998145

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{4919}}^1$

素因数の和:4990

約数の個数: 48

約数和(自身を含む): 368409600

約数和(自身を除く): 169411455

約数列:

[1, 3, 5, 9, 15, 29, 31, 45, 87, 93, 145, 155, 261, 279, 435, 465, 899, 1305, 1395, 2697, 4495, 4919, 8091, 13485, 14757, 24595, 40455, 44271, 73785, 142651, 152489, 221355, 427953, 457467, 713255, 762445, 1283859, 1372401, 2139765, 2287335, 4422181, 6419295, 6862005, 13266543, 22110905, 39799629, 66332715, 198998145]

約数ペア:

[(1, 198998145), (3, 66332715), (5, 39799629), (9, 22110905), (15, 13266543), (29, 6862005), (31, 6419295), (45, 4422181), (87, 2287335), (93, 2139765), (145, 1372401), (155, 1283859), (261, 762445), (279, 713255), (435, 457467), (465, 427953), (899, 221355), (1305, 152489), (1395, 142651), (2697, 73785), (4495, 44271), (4919, 40455), (8091, 24595), (13485, 14757)]