1780545

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1$

素因数の和:441

約数の個数: 32

約数和(自身を含む): 3209472

約数和(自身を除く): 1428927

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 397, 897, 1191, 1495, 1985, 4485, 5161, 5955, 9131, 15483, 25805, 27393, 45655, 77415, 118703, 136965, 356109, 593515, 1780545]

約数ペア:

[(1, 1780545), (3, 593515), (5, 356109), (13, 136965), (15, 118703), (23, 77415), (39, 45655), (65, 27393), (69, 25805), (115, 15483), (195, 9131), (299, 5955), (345, 5161), (397, 4485), (897, 1985), (1191, 1495)]