1389243585

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1\times {\mathrm{263}}^1$

素因数の和:606

約数の個数: 64

約数和(自身を含む): 2375847936

約数和(自身を除く): 986604351

約数列:

[1, 3, 5, 15, 23, 61, 69, 115, 183, 251, 263, 305, 345, 753, 789, 915, 1255, 1315, 1403, 3765, 3945, 4209, 5773, 6049, 7015, 15311, 16043, 17319, 18147, 21045, 28865, 30245, 45933, 48129, 66013, 76555, 80215, 86595, 90735, 198039, 229665, 240645, 330065, 352153, 368989, 990195, 1056459, 1106967, 1518299, 1760765, 1844945, 4026793, 4554897, 5282295, 5534835, 7591495, 12080379, 20133965, 22774485, 60401895, 92616239, 277848717, 463081195, 1389243585]

約数ペア:

[(1, 1389243585), (3, 463081195), (5, 277848717), (15, 92616239), (23, 60401895), (61, 22774485), (69, 20133965), (115, 12080379), (183, 7591495), (251, 5534835), (263, 5282295), (305, 4554897), (345, 4026793), (753, 1844945), (789, 1760765), (915, 1518299), (1255, 1106967), (1315, 1056459), (1403, 990195), (3765, 368989), (3945, 352153), (4209, 330065), (5773, 240645), (6049, 229665), (7015, 198039), (15311, 90735), (16043, 86595), (17319, 80215), (18147, 76555), (21045, 66013), (28865, 48129), (30245, 45933)]