7989975

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:134

約数の個数: 96

約数和(自身を含む): 17856000

約数和(自身を除く): 9866025

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 25, 27, 35, 45, 57, 63, 75, 89, 95, 105, 133, 135, 171, 175, 189, 225, 267, 285, 315, 399, 445, 475, 513, 525, 623, 665, 675, 801, 855, 945, 1197, 1335, 1425, 1575, 1691, 1869, 1995, 2225, 2403, 2565, 3115, 3325, 3591, 4005, 4275, 4725, 5073, 5607, 5985, 6675, 8455, 9345, 9975, 11837, 12015, 12825, 15219, 15575, 16821, 17955, 20025, 25365, 28035, 29925, 35511, 42275, 45657, 46725, 59185, 60075, 76095, 84105, 89775, 106533, 126825, 140175, 177555, 228285, 295925, 319599, 380475, 420525, 532665, 887775, 1141425, 1597995, 2663325, 7989975]

約数ペア:

[(1, 7989975), (3, 2663325), (5, 1597995), (7, 1141425), (9, 887775), (15, 532665), (19, 420525), (21, 380475), (25, 319599), (27, 295925), (35, 228285), (45, 177555), (57, 140175), (63, 126825), (75, 106533), (89, 89775), (95, 84105), (105, 76095), (133, 60075), (135, 59185), (171, 46725), (175, 45657), (189, 42275), (225, 35511), (267, 29925), (285, 28035), (315, 25365), (399, 20025), (445, 17955), (475, 16821), (513, 15575), (525, 15219), (623, 12825), (665, 12015), (675, 11837), (801, 9975), (855, 9345), (945, 8455), (1197, 6675), (1335, 5985), (1425, 5607), (1575, 5073), (1691, 4725), (1869, 4275), (1995, 4005), (2225, 3591), (2403, 3325), (2565, 3115)]