84359985

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{2179}}^1$

素因数の和:2305

約数の個数: 32

約数和(自身を含む): 141264000

約数和(自身を除く): 56904015

約数列:

[1, 3, 5, 15, 29, 87, 89, 145, 267, 435, 445, 1335, 2179, 2581, 6537, 7743, 10895, 12905, 32685, 38715, 63191, 189573, 193931, 315955, 581793, 947865, 969655, 2908965, 5623999, 16871997, 28119995, 84359985]

約数ペア:

[(1, 84359985), (3, 28119995), (5, 16871997), (15, 5623999), (29, 2908965), (87, 969655), (89, 947865), (145, 581793), (267, 315955), (435, 193931), (445, 189573), (1335, 63191), (2179, 38715), (2581, 32685), (6537, 12905), (7743, 10895)]