31004805

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 57802752

約数和(自身を除く): 26797947

約数列:

[1, 3, 5, 13, 15, 23, 31, 39, 65, 69, 93, 115, 155, 195, 223, 299, 345, 403, 465, 669, 713, 897, 1115, 1209, 1495, 2015, 2139, 2899, 3345, 3565, 4485, 5129, 6045, 6913, 8697, 9269, 10695, 14495, 15387, 20739, 25645, 27807, 34565, 43485, 46345, 66677, 76935, 89869, 103695, 139035, 158999, 200031, 269607, 333385, 449345, 476997, 794995, 1000155, 1348035, 2066987, 2384985, 6200961, 10334935, 31004805]

約数ペア:

[(1, 31004805), (3, 10334935), (5, 6200961), (13, 2384985), (15, 2066987), (23, 1348035), (31, 1000155), (39, 794995), (65, 476997), (69, 449345), (93, 333385), (115, 269607), (155, 200031), (195, 158999), (223, 139035), (299, 103695), (345, 89869), (403, 76935), (465, 66677), (669, 46345), (713, 43485), (897, 34565), (1115, 27807), (1209, 25645), (1495, 20739), (2015, 15387), (2139, 14495), (2899, 10695), (3345, 9269), (3565, 8697), (4485, 6913), (5129, 6045)]