287081925

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{15497}}^1$

素因数の和:15542

約数の個数: 48

約数和(自身を含む): 538090560

約数和(自身を除く): 251008635

約数列:

[1, 3, 5, 13, 15, 19, 25, 39, 57, 65, 75, 95, 195, 247, 285, 325, 475, 741, 975, 1235, 1425, 3705, 6175, 15497, 18525, 46491, 77485, 201461, 232455, 294443, 387425, 604383, 883329, 1007305, 1162275, 1472215, 3021915, 3827759, 4416645, 5036525, 7361075, 11483277, 15109575, 19138795, 22083225, 57416385, 95693975, 287081925]

約数ペア:

[(1, 287081925), (3, 95693975), (5, 57416385), (13, 22083225), (15, 19138795), (19, 15109575), (25, 11483277), (39, 7361075), (57, 5036525), (65, 4416645), (75, 3827759), (95, 3021915), (195, 1472215), (247, 1162275), (285, 1007305), (325, 883329), (475, 604383), (741, 387425), (975, 294443), (1235, 232455), (1425, 201461), (3705, 77485), (6175, 46491), (15497, 18525)]