38939895

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{563}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 71267040

約数和(自身を除く): 32327145

約数列:

[1, 3, 5, 9, 15, 29, 45, 53, 87, 145, 159, 261, 265, 435, 477, 563, 795, 1305, 1537, 1689, 2385, 2815, 4611, 5067, 7685, 8445, 13833, 16327, 23055, 25335, 29839, 48981, 69165, 81635, 89517, 146943, 149195, 244905, 268551, 447585, 734715, 865331, 1342755, 2595993, 4326655, 7787979, 12979965, 38939895]

約数ペア:

[(1, 38939895), (3, 12979965), (5, 7787979), (9, 4326655), (15, 2595993), (29, 1342755), (45, 865331), (53, 734715), (87, 447585), (145, 268551), (159, 244905), (261, 149195), (265, 146943), (435, 89517), (477, 81635), (563, 69165), (795, 48981), (1305, 29839), (1537, 25335), (1689, 23055), (2385, 16327), (2815, 13833), (4611, 8445), (5067, 7685)]