15321990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1543}}^1$

素因数の和:1884

約数の個数: 32

約数和(自身を含む): 36907776

約数和(自身を除く): 21585786

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 331, 662, 993, 1543, 1655, 1986, 3086, 3310, 4629, 4965, 7715, 9258, 9930, 15430, 23145, 46290, 510733, 1021466, 1532199, 2553665, 3064398, 5107330, 7660995, 15321990]

約数ペア:

[(1, 15321990), (2, 7660995), (3, 5107330), (5, 3064398), (6, 2553665), (10, 1532199), (15, 1021466), (30, 510733), (331, 46290), (662, 23145), (993, 15430), (1543, 9930), (1655, 9258), (1986, 7715), (3086, 4965), (3310, 4629)]