978973575

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^2\times {\mathrm{311}}^1$

素因数の和:437

約数の個数: 72

約数和(自身を含む): 1746376320

約数和(自身を除く): 767402745

約数列:

[1, 3, 5, 15, 19, 25, 47, 57, 75, 95, 141, 235, 285, 311, 475, 705, 893, 933, 1175, 1425, 1555, 2209, 2679, 3525, 4465, 4665, 5909, 6627, 7775, 11045, 13395, 14617, 17727, 22325, 23325, 29545, 33135, 41971, 43851, 55225, 66975, 73085, 88635, 125913, 147725, 165675, 209855, 219255, 277723, 365425, 443175, 629565, 686999, 833169, 1049275, 1096275, 1388615, 2060997, 3147825, 3434995, 4165845, 6943075, 10304985, 13052981, 17174975, 20829225, 39158943, 51524925, 65264905, 195794715, 326324525, 978973575]

約数ペア:

[(1, 978973575), (3, 326324525), (5, 195794715), (15, 65264905), (19, 51524925), (25, 39158943), (47, 20829225), (57, 17174975), (75, 13052981), (95, 10304985), (141, 6943075), (235, 4165845), (285, 3434995), (311, 3147825), (475, 2060997), (705, 1388615), (893, 1096275), (933, 1049275), (1175, 833169), (1425, 686999), (1555, 629565), (2209, 443175), (2679, 365425), (3525, 277723), (4465, 219255), (4665, 209855), (5909, 165675), (6627, 147725), (7775, 125913), (11045, 88635), (13395, 73085), (14617, 66975), (17727, 55225), (22325, 43851), (23325, 41971), (29545, 33135)]