55770975

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{829}}^1$

素因数の和:881

約数の個数: 72

約数和(自身を含む): 112388640

約数和(自身を除く): 56617665

約数列:

[1, 3, 5, 9, 13, 15, 23, 25, 39, 45, 65, 69, 75, 115, 117, 195, 207, 225, 299, 325, 345, 575, 585, 829, 897, 975, 1035, 1495, 1725, 2487, 2691, 2925, 4145, 4485, 5175, 7461, 7475, 10777, 12435, 13455, 19067, 20725, 22425, 32331, 37305, 53885, 57201, 62175, 67275, 95335, 96993, 161655, 171603, 186525, 247871, 269425, 286005, 476675, 484965, 743613, 808275, 858015, 1239355, 1430025, 2230839, 2424825, 3718065, 4290075, 6196775, 11154195, 18590325, 55770975]

約数ペア:

[(1, 55770975), (3, 18590325), (5, 11154195), (9, 6196775), (13, 4290075), (15, 3718065), (23, 2424825), (25, 2230839), (39, 1430025), (45, 1239355), (65, 858015), (69, 808275), (75, 743613), (115, 484965), (117, 476675), (195, 286005), (207, 269425), (225, 247871), (299, 186525), (325, 171603), (345, 161655), (575, 96993), (585, 95335), (829, 67275), (897, 62175), (975, 57201), (1035, 53885), (1495, 37305), (1725, 32331), (2487, 22425), (2691, 20725), (2925, 19067), (4145, 13455), (4485, 12435), (5175, 10777), (7461, 7475)]