909947997

素因数分解:

$3^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1\times {\mathrm{401}}^1$

素因数の和:794

約数の個数: 48

約数和(自身を含む): 1521811200

約数和(自身を除く): 611863203

約数列:

[1, 3, 7, 9, 21, 63, 181, 199, 401, 543, 597, 1203, 1267, 1393, 1629, 1791, 2807, 3609, 3801, 4179, 8421, 11403, 12537, 25263, 36019, 72581, 79799, 108057, 217743, 239397, 252133, 324171, 508067, 558593, 653229, 718191, 756399, 1524201, 1675779, 2269197, 4572603, 5027337, 14443619, 43330857, 101105333, 129992571, 303315999, 909947997]

約数ペア:

[(1, 909947997), (3, 303315999), (7, 129992571), (9, 101105333), (21, 43330857), (63, 14443619), (181, 5027337), (199, 4572603), (401, 2269197), (543, 1675779), (597, 1524201), (1203, 756399), (1267, 718191), (1393, 653229), (1629, 558593), (1791, 508067), (2807, 324171), (3609, 252133), (3801, 239397), (4179, 217743), (8421, 108057), (11403, 79799), (12537, 72581), (25263, 36019)]