201800505

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:358

約数の個数: 64

約数和(自身を含む): 351977472

約数和(自身を除く): 150176967

約数列:

[1, 3, 5, 15, 23, 43, 61, 69, 115, 129, 183, 215, 223, 305, 345, 645, 669, 915, 989, 1115, 1403, 2623, 2967, 3345, 4209, 4945, 5129, 7015, 7869, 9589, 13115, 13603, 14835, 15387, 21045, 25645, 28767, 39345, 40809, 47945, 60329, 68015, 76935, 143835, 180987, 204045, 220547, 301645, 312869, 584929, 661641, 904935, 938607, 1102735, 1564345, 1754787, 2924645, 3308205, 4693035, 8773935, 13453367, 40360101, 67266835, 201800505]

約数ペア:

[(1, 201800505), (3, 67266835), (5, 40360101), (15, 13453367), (23, 8773935), (43, 4693035), (61, 3308205), (69, 2924645), (115, 1754787), (129, 1564345), (183, 1102735), (215, 938607), (223, 904935), (305, 661641), (345, 584929), (645, 312869), (669, 301645), (915, 220547), (989, 204045), (1115, 180987), (1403, 143835), (2623, 76935), (2967, 68015), (3345, 60329), (4209, 47945), (4945, 40809), (5129, 39345), (7015, 28767), (7869, 25645), (9589, 21045), (13115, 15387), (13603, 14835)]