28953225

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{593}}^1$

素因数の和:647

約数の個数: 72

約数和(自身を含む): 61281792

約数和(自身を除く): 32328567

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 31, 35, 45, 63, 75, 93, 105, 155, 175, 217, 225, 279, 315, 465, 525, 593, 651, 775, 1085, 1395, 1575, 1779, 1953, 2325, 2965, 3255, 4151, 5337, 5425, 6975, 8895, 9765, 12453, 14825, 16275, 18383, 20755, 26685, 37359, 44475, 48825, 55149, 62265, 91915, 103775, 128681, 133425, 165447, 186795, 275745, 311325, 386043, 459575, 643405, 827235, 933975, 1158129, 1378725, 1930215, 3217025, 4136175, 5790645, 9651075, 28953225]

約数ペア:

[(1, 28953225), (3, 9651075), (5, 5790645), (7, 4136175), (9, 3217025), (15, 1930215), (21, 1378725), (25, 1158129), (31, 933975), (35, 827235), (45, 643405), (63, 459575), (75, 386043), (93, 311325), (105, 275745), (155, 186795), (175, 165447), (217, 133425), (225, 128681), (279, 103775), (315, 91915), (465, 62265), (525, 55149), (593, 48825), (651, 44475), (775, 37359), (1085, 26685), (1395, 20755), (1575, 18383), (1779, 16275), (1953, 14825), (2325, 12453), (2965, 9765), (3255, 8895), (4151, 6975), (5337, 5425)]