15661214775

素因数分解:

$3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{23813}}^1$

素因数の和:23945

約数の個数: 72

約数和(自身を含む): 29175007680

約数和(自身を除く): 13513792905

約数列:

[1, 3, 5, 9, 15, 25, 37, 45, 75, 79, 111, 185, 225, 237, 333, 395, 555, 711, 925, 1185, 1665, 1975, 2775, 2923, 3555, 5925, 8325, 8769, 14615, 17775, 23813, 26307, 43845, 71439, 73075, 119065, 131535, 214317, 219225, 357195, 595325, 657675, 881081, 1071585, 1785975, 1881227, 2643243, 4405405, 5357925, 5643681, 7929729, 9406135, 13216215, 16931043, 22027025, 28218405, 39648645, 47030675, 66081075, 69605399, 84655215, 141092025, 198243225, 208816197, 348026995, 423276075, 626448591, 1044080985, 1740134975, 3132242955, 5220404925, 15661214775]

約数ペア:

[(1, 15661214775), (3, 5220404925), (5, 3132242955), (9, 1740134975), (15, 1044080985), (25, 626448591), (37, 423276075), (45, 348026995), (75, 208816197), (79, 198243225), (111, 141092025), (185, 84655215), (225, 69605399), (237, 66081075), (333, 47030675), (395, 39648645), (555, 28218405), (711, 22027025), (925, 16931043), (1185, 13216215), (1665, 9406135), (1975, 7929729), (2775, 5643681), (2923, 5357925), (3555, 4405405), (5925, 2643243), (8325, 1881227), (8769, 1785975), (14615, 1071585), (17775, 881081), (23813, 657675), (26307, 595325), (43845, 357195), (71439, 219225), (73075, 214317), (119065, 131535)]