87871305

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{2557}}^1$

素因数の和:2673

約数の個数: 32

約数和(自身を含む): 147340800

約数和(自身を除く): 59469495

約数列:

[1, 3, 5, 15, 29, 79, 87, 145, 237, 395, 435, 1185, 2291, 2557, 6873, 7671, 11455, 12785, 34365, 38355, 74153, 202003, 222459, 370765, 606009, 1010015, 1112295, 3030045, 5858087, 17574261, 29290435, 87871305]

約数ペア:

[(1, 87871305), (3, 29290435), (5, 17574261), (15, 5858087), (29, 3030045), (79, 1112295), (87, 1010015), (145, 606009), (237, 370765), (395, 222459), (435, 202003), (1185, 74153), (2291, 38355), (2557, 34365), (6873, 12785), (7671, 11455)]