191219925

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4561}}^1$

素因数の和:4630

約数の個数: 48

約数和(自身を含む): 348463808

約数和(自身を除く): 157243883

約数列:

[1, 3, 5, 13, 15, 25, 39, 43, 65, 75, 129, 195, 215, 325, 559, 645, 975, 1075, 1677, 2795, 3225, 4561, 8385, 13683, 13975, 22805, 41925, 59293, 68415, 114025, 177879, 196123, 296465, 342075, 588369, 889395, 980615, 1482325, 2549599, 2941845, 4446975, 4903075, 7648797, 12747995, 14709225, 38243985, 63739975, 191219925]

約数ペア:

[(1, 191219925), (3, 63739975), (5, 38243985), (13, 14709225), (15, 12747995), (25, 7648797), (39, 4903075), (43, 4446975), (65, 2941845), (75, 2549599), (129, 1482325), (195, 980615), (215, 889395), (325, 588369), (559, 342075), (645, 296465), (975, 196123), (1075, 177879), (1677, 114025), (2795, 68415), (3225, 59293), (4561, 41925), (8385, 22805), (13683, 13975)]