1870245

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:186

約数の個数: 48

約数和(自身を含む): 3669120

約数和(自身を除く): 1798875

約数列:

[1, 3, 5, 9, 13, 15, 23, 39, 45, 65, 69, 115, 117, 139, 195, 207, 299, 345, 417, 585, 695, 897, 1035, 1251, 1495, 1807, 2085, 2691, 3197, 4485, 5421, 6255, 9035, 9591, 13455, 15985, 16263, 27105, 28773, 41561, 47955, 81315, 124683, 143865, 207805, 374049, 623415, 1870245]

約数ペア:

[(1, 1870245), (3, 623415), (5, 374049), (9, 207805), (13, 143865), (15, 124683), (23, 81315), (39, 47955), (45, 41561), (65, 28773), (69, 27105), (115, 16263), (117, 15985), (139, 13455), (195, 9591), (207, 9035), (299, 6255), (345, 5421), (417, 4485), (585, 3197), (695, 2691), (897, 2085), (1035, 1807), (1251, 1495)]