2821065

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:98

約数の個数: 64

約数和(自身を含む): 5515776

約数和(自身を除く): 2694711

約数列:

[1, 3, 5, 13, 15, 17, 23, 37, 39, 51, 65, 69, 85, 111, 115, 185, 195, 221, 255, 299, 345, 391, 481, 555, 629, 663, 851, 897, 1105, 1173, 1443, 1495, 1887, 1955, 2405, 2553, 3145, 3315, 4255, 4485, 5083, 5865, 7215, 8177, 9435, 11063, 12765, 14467, 15249, 24531, 25415, 33189, 40885, 43401, 55315, 72335, 76245, 122655, 165945, 188071, 217005, 564213, 940355, 2821065]

約数ペア:

[(1, 2821065), (3, 940355), (5, 564213), (13, 217005), (15, 188071), (17, 165945), (23, 122655), (37, 76245), (39, 72335), (51, 55315), (65, 43401), (69, 40885), (85, 33189), (111, 25415), (115, 24531), (185, 15249), (195, 14467), (221, 12765), (255, 11063), (299, 9435), (345, 8177), (391, 7215), (481, 5865), (555, 5083), (629, 4485), (663, 4255), (851, 3315), (897, 3145), (1105, 2553), (1173, 2405), (1443, 1955), (1495, 1887)]