13821075

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:149

約数の個数: 72

約数和(自身を含む): 26984880

約数和(自身を除く): 13163805

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 53, 57, 61, 75, 95, 159, 171, 183, 225, 265, 285, 305, 475, 477, 549, 795, 855, 915, 1007, 1159, 1325, 1425, 1525, 2385, 2745, 3021, 3233, 3477, 3975, 4275, 4575, 5035, 5795, 9063, 9699, 10431, 11925, 13725, 15105, 16165, 17385, 25175, 28975, 29097, 45315, 48495, 52155, 61427, 75525, 80825, 86925, 145485, 184281, 226575, 242475, 260775, 307135, 552843, 727425, 921405, 1535675, 2764215, 4607025, 13821075]

約数ペア:

[(1, 13821075), (3, 4607025), (5, 2764215), (9, 1535675), (15, 921405), (19, 727425), (25, 552843), (45, 307135), (53, 260775), (57, 242475), (61, 226575), (75, 184281), (95, 145485), (159, 86925), (171, 80825), (183, 75525), (225, 61427), (265, 52155), (285, 48495), (305, 45315), (475, 29097), (477, 28975), (549, 25175), (795, 17385), (855, 16165), (915, 15105), (1007, 13725), (1159, 11925), (1325, 10431), (1425, 9699), (1525, 9063), (2385, 5795), (2745, 5035), (3021, 4575), (3233, 4275), (3477, 3975)]