28430415

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2113}}^1$

素因数の和:2160

約数の個数: 48

約数和(自身を含む): 55403712

約数和(自身を除く): 26973297

約数列:

[1, 3, 5, 9, 13, 15, 23, 39, 45, 65, 69, 115, 117, 195, 207, 299, 345, 585, 897, 1035, 1495, 2113, 2691, 4485, 6339, 10565, 13455, 19017, 27469, 31695, 48599, 82407, 95085, 137345, 145797, 242995, 247221, 412035, 437391, 631787, 728985, 1236105, 1895361, 2186955, 3158935, 5686083, 9476805, 28430415]

約数ペア:

[(1, 28430415), (3, 9476805), (5, 5686083), (9, 3158935), (13, 2186955), (15, 1895361), (23, 1236105), (39, 728985), (45, 631787), (65, 437391), (69, 412035), (115, 247221), (117, 242995), (195, 145797), (207, 137345), (299, 95085), (345, 82407), (585, 48599), (897, 31695), (1035, 27469), (1495, 19017), (2113, 13455), (2691, 10565), (4485, 6339)]