127978515

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{135427}}^1$

素因数の和:135448

約数の個数: 32

約数和(自身を含む): 260021760

約数和(自身を除く): 132043245

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 135427, 406281, 677135, 947989, 1218843, 2031405, 2843967, 3656529, 4739945, 6094215, 8531901, 14219835, 18282645, 25595703, 42659505, 127978515]

約数ペア:

[(1, 127978515), (3, 42659505), (5, 25595703), (7, 18282645), (9, 14219835), (15, 8531901), (21, 6094215), (27, 4739945), (35, 3656529), (45, 2843967), (63, 2031405), (105, 1218843), (135, 947989), (189, 677135), (315, 406281), (945, 135427)]