28479555

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{547}}^1$

素因数の和:660

約数の個数: 48

約数和(自身を含む): 53857440

約数和(自身を除く): 25377885

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 89, 117, 195, 267, 445, 547, 585, 801, 1157, 1335, 1641, 2735, 3471, 4005, 4923, 5785, 7111, 8205, 10413, 17355, 21333, 24615, 35555, 48683, 52065, 63999, 106665, 146049, 243415, 319995, 438147, 632879, 730245, 1898637, 2190735, 3164395, 5695911, 9493185, 28479555]

約数ペア:

[(1, 28479555), (3, 9493185), (5, 5695911), (9, 3164395), (13, 2190735), (15, 1898637), (39, 730245), (45, 632879), (65, 438147), (89, 319995), (117, 243415), (195, 146049), (267, 106665), (445, 63999), (547, 52065), (585, 48683), (801, 35555), (1157, 24615), (1335, 21333), (1641, 17355), (2735, 10413), (3471, 8205), (4005, 7111), (4923, 5785)]