78779625

素因数分解:

$3^1\times 5^3\times {\mathrm{421}}^1\times {\mathrm{499}}^1$

素因数の和:938

約数の個数: 32

約数和(自身を含む): 131664000

約数和(自身を除く): 52884375

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 421, 499, 1263, 1497, 2105, 2495, 6315, 7485, 10525, 12475, 31575, 37425, 52625, 62375, 157875, 187125, 210079, 630237, 1050395, 3151185, 5251975, 15755925, 26259875, 78779625]

約数ペア:

[(1, 78779625), (3, 26259875), (5, 15755925), (15, 5251975), (25, 3151185), (75, 1050395), (125, 630237), (375, 210079), (421, 187125), (499, 157875), (1263, 62375), (1497, 52625), (2105, 37425), (2495, 31575), (6315, 12475), (7485, 10525)]