9681990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{4421}}^1$

素因数の和:4504

約数の個数: 32

約数和(自身を含む): 23560416

約数和(自身を除く): 13878426

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 73, 146, 219, 365, 438, 730, 1095, 2190, 4421, 8842, 13263, 22105, 26526, 44210, 66315, 132630, 322733, 645466, 968199, 1613665, 1936398, 3227330, 4840995, 9681990]

約数ペア:

[(1, 9681990), (2, 4840995), (3, 3227330), (5, 1936398), (6, 1613665), (10, 968199), (15, 645466), (30, 322733), (73, 132630), (146, 66315), (219, 44210), (365, 26526), (438, 22105), (730, 13263), (1095, 8842), (2190, 4421)]