28502175

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:121

約数の個数: 96

約数和(自身を含む): 55996416

約数和(自身を除く): 27494241

約数列:

[1, 3, 5, 13, 15, 23, 25, 31, 39, 41, 65, 69, 75, 93, 115, 123, 155, 195, 205, 299, 325, 345, 403, 465, 533, 575, 615, 713, 775, 897, 943, 975, 1025, 1209, 1271, 1495, 1599, 1725, 2015, 2139, 2325, 2665, 2829, 3075, 3565, 3813, 4485, 4715, 6045, 6355, 7475, 7995, 9269, 10075, 10695, 12259, 13325, 14145, 16523, 17825, 19065, 22425, 23575, 27807, 29233, 30225, 31775, 36777, 39975, 46345, 49569, 53475, 61295, 70725, 82615, 87699, 95325, 139035, 146165, 183885, 231725, 247845, 306475, 380029, 413075, 438495, 695175, 730825, 919425, 1140087, 1239225, 1900145, 2192475, 5700435, 9500725, 28502175]

約数ペア:

[(1, 28502175), (3, 9500725), (5, 5700435), (13, 2192475), (15, 1900145), (23, 1239225), (25, 1140087), (31, 919425), (39, 730825), (41, 695175), (65, 438495), (69, 413075), (75, 380029), (93, 306475), (115, 247845), (123, 231725), (155, 183885), (195, 146165), (205, 139035), (299, 95325), (325, 87699), (345, 82615), (403, 70725), (465, 61295), (533, 53475), (575, 49569), (615, 46345), (713, 39975), (775, 36777), (897, 31775), (943, 30225), (975, 29233), (1025, 27807), (1209, 23575), (1271, 22425), (1495, 19065), (1599, 17825), (1725, 16523), (2015, 14145), (2139, 13325), (2325, 12259), (2665, 10695), (2829, 10075), (3075, 9269), (3565, 7995), (3813, 7475), (4485, 6355), (4715, 6045)]