20155143375

素因数分解:

$3^2\times 5^3\times {\mathrm{101}}^1\times {\mathrm{177383}}^1$

素因数の和:177505

約数の個数: 48

約数和(自身を含む): 36692944704

約数和(自身を除く): 16537801329

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 101, 125, 225, 303, 375, 505, 909, 1125, 1515, 2525, 4545, 7575, 12625, 22725, 37875, 113625, 177383, 532149, 886915, 1596447, 2660745, 4434575, 7982235, 13303725, 17915683, 22172875, 39911175, 53747049, 66518625, 89578415, 161241147, 199555875, 268735245, 447892075, 806205735, 1343676225, 2239460375, 4031028675, 6718381125, 20155143375]

約数ペア:

[(1, 20155143375), (3, 6718381125), (5, 4031028675), (9, 2239460375), (15, 1343676225), (25, 806205735), (45, 447892075), (75, 268735245), (101, 199555875), (125, 161241147), (225, 89578415), (303, 66518625), (375, 53747049), (505, 39911175), (909, 22172875), (1125, 17915683), (1515, 13303725), (2525, 7982235), (4545, 4434575), (7575, 2660745), (12625, 1596447), (22725, 886915), (37875, 532149), (113625, 177383)]