181253375

素因数分解:

$5^3\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1$

素因数の和:428

約数の個数: 32

約数和(自身を含む): 233513280

約数和(自身を除く): 52259905

約数列:

[1, 5, 25, 53, 109, 125, 251, 265, 545, 1255, 1325, 2725, 5777, 6275, 6625, 13303, 13625, 27359, 28885, 31375, 66515, 136795, 144425, 332575, 683975, 722125, 1450027, 1662875, 3419875, 7250135, 36250675, 181253375]

約数ペア:

[(1, 181253375), (5, 36250675), (25, 7250135), (53, 3419875), (109, 1662875), (125, 1450027), (251, 722125), (265, 683975), (545, 332575), (1255, 144425), (1325, 136795), (2725, 66515), (5777, 31375), (6275, 28885), (6625, 27359), (13303, 13625)]