311939325

素因数分解:

$3^2\times 5^2\times {\mathrm{113}}^1\times {\mathrm{12269}}^1$

素因数の和:12398

約数の個数: 36

約数和(自身を含む): 563708340

約数和(自身を除く): 251769015

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 113, 225, 339, 565, 1017, 1695, 2825, 5085, 8475, 12269, 25425, 36807, 61345, 110421, 184035, 306725, 552105, 920175, 1386397, 2760525, 4159191, 6931985, 12477573, 20795955, 34659925, 62387865, 103979775, 311939325]

約数ペア:

[(1, 311939325), (3, 103979775), (5, 62387865), (9, 34659925), (15, 20795955), (25, 12477573), (45, 6931985), (75, 4159191), (113, 2760525), (225, 1386397), (339, 920175), (565, 552105), (1017, 306725), (1695, 184035), (2825, 110421), (5085, 61345), (8475, 36807), (12269, 25425)]