201323205

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{439}}^1$

素因数の和:575

約数の個数: 64

約数和(自身を含む): 371712000

約数和(自身を除く): 170388795

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 79, 129, 135, 215, 237, 387, 395, 439, 645, 711, 1161, 1185, 1317, 1935, 2133, 2195, 3397, 3555, 3951, 5805, 6585, 10191, 10665, 11853, 16985, 18877, 19755, 30573, 34681, 50955, 56631, 59265, 91719, 94385, 104043, 152865, 169893, 173405, 283155, 312129, 458595, 509679, 520215, 849465, 936387, 1491283, 1560645, 2548395, 4473849, 4681935, 7456415, 13421547, 22369245, 40264641, 67107735, 201323205]

約数ペア:

[(1, 201323205), (3, 67107735), (5, 40264641), (9, 22369245), (15, 13421547), (27, 7456415), (43, 4681935), (45, 4473849), (79, 2548395), (129, 1560645), (135, 1491283), (215, 936387), (237, 849465), (387, 520215), (395, 509679), (439, 458595), (645, 312129), (711, 283155), (1161, 173405), (1185, 169893), (1317, 152865), (1935, 104043), (2133, 94385), (2195, 91719), (3397, 59265), (3555, 56631), (3951, 50955), (5805, 34681), (6585, 30573), (10191, 19755), (10665, 18877), (11853, 16985)]