215789025

素因数分解:

$3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{467}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 366994368

約数和(自身を除く): 151205343

約数列:

[1, 3, 5, 15, 25, 61, 75, 101, 183, 303, 305, 467, 505, 915, 1401, 1515, 1525, 2335, 2525, 4575, 6161, 7005, 7575, 11675, 18483, 28487, 30805, 35025, 47167, 85461, 92415, 141501, 142435, 154025, 235835, 427305, 462075, 707505, 712175, 1179175, 2136525, 2877187, 3537525, 8631561, 14385935, 43157805, 71929675, 215789025]

約数ペア:

[(1, 215789025), (3, 71929675), (5, 43157805), (15, 14385935), (25, 8631561), (61, 3537525), (75, 2877187), (101, 2136525), (183, 1179175), (303, 712175), (305, 707505), (467, 462075), (505, 427305), (915, 235835), (1401, 154025), (1515, 142435), (1525, 141501), (2335, 92415), (2525, 85461), (4575, 47167), (6161, 35025), (7005, 30805), (7575, 28487), (11675, 18483)]