201877425

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1$

素因数の和:431

約数の個数: 72

約数和(自身を含む): 378213888

約数和(自身を除く): 176336463

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 75, 93, 103, 155, 225, 279, 281, 309, 465, 515, 775, 843, 927, 1395, 1405, 1545, 2325, 2529, 2575, 3193, 4215, 4635, 6975, 7025, 7725, 8711, 9579, 12645, 15965, 21075, 23175, 26133, 28737, 28943, 43555, 47895, 63225, 78399, 79825, 86829, 130665, 143685, 144715, 217775, 239475, 260487, 391995, 434145, 653325, 718425, 723575, 897233, 1302435, 1959975, 2170725, 2691699, 4486165, 6512175, 8075097, 13458495, 22430825, 40375485, 67292475, 201877425]

約数ペア:

[(1, 201877425), (3, 67292475), (5, 40375485), (9, 22430825), (15, 13458495), (25, 8075097), (31, 6512175), (45, 4486165), (75, 2691699), (93, 2170725), (103, 1959975), (155, 1302435), (225, 897233), (279, 723575), (281, 718425), (309, 653325), (465, 434145), (515, 391995), (775, 260487), (843, 239475), (927, 217775), (1395, 144715), (1405, 143685), (1545, 130665), (2325, 86829), (2529, 79825), (2575, 78399), (3193, 63225), (4215, 47895), (4635, 43555), (6975, 28943), (7025, 28737), (7725, 26133), (8711, 23175), (9579, 21075), (12645, 15965)]