19855934025

素因数分解:

$3^1\times 5^2\times {\mathrm{137}}^1\times {\mathrm{227}}^1\times {\mathrm{8513}}^1$

素因数の和:8890

約数の個数: 48

約数和(自身を含む): 33217677504

約数和(自身を除く): 13361743479

約数列:

[1, 3, 5, 15, 25, 75, 137, 227, 411, 681, 685, 1135, 2055, 3405, 3425, 5675, 8513, 10275, 17025, 25539, 31099, 42565, 93297, 127695, 155495, 212825, 466485, 638475, 777475, 1166281, 1932451, 2332425, 3498843, 5797353, 5831405, 9662255, 17494215, 28986765, 29157025, 48311275, 87471075, 144933825, 264745787, 794237361, 1323728935, 3971186805, 6618644675, 19855934025]

約数ペア:

[(1, 19855934025), (3, 6618644675), (5, 3971186805), (15, 1323728935), (25, 794237361), (75, 264745787), (137, 144933825), (227, 87471075), (411, 48311275), (681, 29157025), (685, 28986765), (1135, 17494215), (2055, 9662255), (3405, 5831405), (3425, 5797353), (5675, 3498843), (8513, 2332425), (10275, 1932451), (17025, 1166281), (25539, 777475), (31099, 638475), (42565, 466485), (93297, 212825), (127695, 155495)]