1389699585

素因数分解:

$3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{401}}^1$

素因数の和:660

約数の個数: 80

約数和(自身を含む): 2568297600

約数和(自身を除く): 1178598015

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 81, 129, 135, 199, 215, 387, 401, 405, 597, 645, 995, 1161, 1203, 1791, 1935, 2005, 2985, 3483, 3609, 5373, 5805, 6015, 8557, 8955, 10827, 16119, 17243, 17415, 18045, 25671, 26865, 32481, 42785, 51729, 54135, 77013, 79799, 80595, 86215, 128355, 155187, 162405, 231039, 239397, 258645, 385065, 398995, 465561, 693117, 718191, 775935, 1155195, 1196985, 1396683, 2154573, 2327805, 3431357, 3465585, 3590955, 6463719, 6983415, 10294071, 10772865, 17156785, 30882213, 32318595, 51470355, 92646639, 154411065, 277939917, 463233195, 1389699585]

約数ペア:

[(1, 1389699585), (3, 463233195), (5, 277939917), (9, 154411065), (15, 92646639), (27, 51470355), (43, 32318595), (45, 30882213), (81, 17156785), (129, 10772865), (135, 10294071), (199, 6983415), (215, 6463719), (387, 3590955), (401, 3465585), (405, 3431357), (597, 2327805), (645, 2154573), (995, 1396683), (1161, 1196985), (1203, 1155195), (1791, 775935), (1935, 718191), (2005, 693117), (2985, 465561), (3483, 398995), (3609, 385065), (5373, 258645), (5805, 239397), (6015, 231039), (8557, 162405), (8955, 155187), (10827, 128355), (16119, 86215), (17243, 80595), (17415, 79799), (18045, 77013), (25671, 54135), (26865, 51729), (32481, 42785)]