211399470

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{260987}}^1$

素因数の和:261006

約数の個数: 40

約数和(自身を含む): 568431864

約数和(自身を除く): 357032394

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 260987, 521974, 782961, 1304935, 1565922, 2348883, 2609870, 3914805, 4697766, 7046649, 7829610, 11744415, 14093298, 21139947, 23488830, 35233245, 42279894, 70466490, 105699735, 211399470]

約数ペア:

[(1, 211399470), (2, 105699735), (3, 70466490), (5, 42279894), (6, 35233245), (9, 23488830), (10, 21139947), (15, 14093298), (18, 11744415), (27, 7829610), (30, 7046649), (45, 4697766), (54, 3914805), (81, 2609870), (90, 2348883), (135, 1565922), (162, 1304935), (270, 782961), (405, 521974), (810, 260987)]