38403675

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:261

約数の個数: 72

約数和(自身を含む): 73932768

約数和(自身を除く): 35529093

約数列:

[1, 3, 5, 9, 15, 23, 25, 41, 45, 69, 75, 115, 123, 181, 205, 207, 225, 345, 369, 543, 575, 615, 905, 943, 1025, 1035, 1629, 1725, 1845, 2715, 2829, 3075, 4163, 4525, 4715, 5175, 7421, 8145, 8487, 9225, 12489, 13575, 14145, 20815, 22263, 23575, 37105, 37467, 40725, 42435, 62445, 66789, 70725, 104075, 111315, 170683, 185525, 187335, 212175, 312225, 333945, 512049, 556575, 853415, 936675, 1536147, 1669725, 2560245, 4267075, 7680735, 12801225, 38403675]

約数ペア:

[(1, 38403675), (3, 12801225), (5, 7680735), (9, 4267075), (15, 2560245), (23, 1669725), (25, 1536147), (41, 936675), (45, 853415), (69, 556575), (75, 512049), (115, 333945), (123, 312225), (181, 212175), (205, 187335), (207, 185525), (225, 170683), (345, 111315), (369, 104075), (543, 70725), (575, 66789), (615, 62445), (905, 42435), (943, 40725), (1025, 37467), (1035, 37105), (1629, 23575), (1725, 22263), (1845, 20815), (2715, 14145), (2829, 13575), (3075, 12489), (4163, 9225), (4525, 8487), (4715, 8145), (5175, 7421)]