31864425

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{379}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 56544000

約数和(自身を除く): 24679575

約数列:

[1, 3, 5, 15, 19, 25, 57, 59, 75, 95, 177, 285, 295, 379, 475, 885, 1121, 1137, 1425, 1475, 1895, 3363, 4425, 5605, 5685, 7201, 9475, 16815, 21603, 22361, 28025, 28425, 36005, 67083, 84075, 108015, 111805, 180025, 335415, 424859, 540075, 559025, 1274577, 1677075, 2124295, 6372885, 10621475, 31864425]

約数ペア:

[(1, 31864425), (3, 10621475), (5, 6372885), (15, 2124295), (19, 1677075), (25, 1274577), (57, 559025), (59, 540075), (75, 424859), (95, 335415), (177, 180025), (285, 111805), (295, 108015), (379, 84075), (475, 67083), (885, 36005), (1121, 28425), (1137, 28025), (1425, 22361), (1475, 21603), (1895, 16815), (3363, 9475), (4425, 7201), (5605, 5685)]