68018355

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 121867200

約数和(自身を除く): 53848845

約数列:

[1, 3, 5, 9, 15, 45, 61, 71, 183, 213, 305, 349, 355, 549, 639, 915, 1047, 1065, 1745, 2745, 3141, 3195, 4331, 5235, 12993, 15705, 21289, 21655, 24779, 38979, 63867, 64965, 74337, 106445, 123895, 191601, 194895, 223011, 319335, 371685, 958005, 1115055, 1511519, 4534557, 7557595, 13603671, 22672785, 68018355]

約数ペア:

[(1, 68018355), (3, 22672785), (5, 13603671), (9, 7557595), (15, 4534557), (45, 1511519), (61, 1115055), (71, 958005), (183, 371685), (213, 319335), (305, 223011), (349, 194895), (355, 191601), (549, 123895), (639, 106445), (915, 74337), (1047, 64965), (1065, 63867), (1745, 38979), (2745, 24779), (3141, 21655), (3195, 21289), (4331, 15705), (5235, 12993)]