201557115

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{727}}^1$

素因数の和:900

約数の個数: 48

約数和(自身を含む): 359102016

約数和(自身を除く): 157544901

約数列:

[1, 3, 5, 9, 15, 45, 61, 101, 183, 303, 305, 505, 549, 727, 909, 915, 1515, 2181, 2745, 3635, 4545, 6161, 6543, 10905, 18483, 30805, 32715, 44347, 55449, 73427, 92415, 133041, 220281, 221735, 277245, 367135, 399123, 660843, 665205, 1101405, 1995615, 3304215, 4479047, 13437141, 22395235, 40311423, 67185705, 201557115]

約数ペア:

[(1, 201557115), (3, 67185705), (5, 40311423), (9, 22395235), (15, 13437141), (45, 4479047), (61, 3304215), (101, 1995615), (183, 1101405), (303, 665205), (305, 660843), (505, 399123), (549, 367135), (727, 277245), (909, 221735), (915, 220281), (1515, 133041), (2181, 92415), (2745, 73427), (3635, 55449), (4545, 44347), (6161, 32715), (6543, 30805), (10905, 18483)]