187830495

素因数分解:

$3^7\times 5^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:308

約数の個数: 64

約数和(自身を含む): 343612800

約数和(自身を除く): 155782305

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 89, 135, 193, 243, 267, 405, 445, 579, 729, 801, 965, 1215, 1335, 1737, 2187, 2403, 2895, 3645, 4005, 5211, 7209, 8685, 10935, 12015, 15633, 17177, 21627, 26055, 36045, 46899, 51531, 64881, 78165, 85885, 108135, 140697, 154593, 194643, 234495, 257655, 324405, 422091, 463779, 703485, 772965, 973215, 1391337, 2110455, 2318895, 4174011, 6956685, 12522033, 20870055, 37566099, 62610165, 187830495]

約数ペア:

[(1, 187830495), (3, 62610165), (5, 37566099), (9, 20870055), (15, 12522033), (27, 6956685), (45, 4174011), (81, 2318895), (89, 2110455), (135, 1391337), (193, 973215), (243, 772965), (267, 703485), (405, 463779), (445, 422091), (579, 324405), (729, 257655), (801, 234495), (965, 194643), (1215, 154593), (1335, 140697), (1737, 108135), (2187, 85885), (2403, 78165), (2895, 64881), (3645, 51531), (4005, 46899), (5211, 36045), (7209, 26055), (8685, 21627), (10935, 17177), (12015, 15633)]