78616251

素因数分解:

$3^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2273}}^1$

素因数の和:2353

約数の個数: 40

約数和(自身を含む): 136476384

約数和(自身を除く): 57860133

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 81, 183, 189, 427, 549, 567, 1281, 1647, 2273, 3843, 4941, 6819, 11529, 15911, 20457, 34587, 47733, 61371, 138653, 143199, 184113, 415959, 429597, 970571, 1247877, 1288791, 2911713, 3743631, 8735139, 11230893, 26205417, 78616251]

約数ペア:

[(1, 78616251), (3, 26205417), (7, 11230893), (9, 8735139), (21, 3743631), (27, 2911713), (61, 1288791), (63, 1247877), (81, 970571), (183, 429597), (189, 415959), (427, 184113), (549, 143199), (567, 138653), (1281, 61371), (1647, 47733), (2273, 34587), (3843, 20457), (4941, 15911), (6819, 11529)]